Tea-towel producers, biscuit makers and mug manufacturers were in full swing yesterday after the princess was named. Stephanie Woodhouse, of the ceramics maker Emma Bridgewater, said production started within minutes. “As soon as we have a name, the cut-outs can be made,” she said. “We can have something ready in a day.”

Royal Crown Derby was one of the first manufacturers to start selling memorabilia. At 11.40 am on Saturday, within minutes of the birth announcement, its 2015 Royal Baby porcelain collection went on sale.

The Royal Mint joined in the rush, striking a £5 coin to commemorate the birth